stem foot

例句：

1. 1. The plant grows taller with each passing year, reaching its full height by the end of summer.
   随着岁月的流逝，这棵树越来越高，到了夏天末达到它的最高点。
2. 2.The scientist conducted experiments to test the hypothesis that gravity affects the speed at which objects fall.
   科学家进行了实验来测试重力影响物体下落速度的假设。
3. 3. The team decided to move forward with their plan, despite the challenges they faced.
   尽管他们面临挑战，但团队决定继续他们的计划。